﻿<root>
	<subroot sub='A'>
		<row attr='a1'>
			<x>x1</x>
			<y>y1</y>
			<z>z1</z>
		</row>
		<row attr='a2'>
			<x>x2</x>
			<y>y2</y>
			<z>z2</z>
		</row>
	</subroot>

	<subroot sub='B'>
		<row attr='a3'>
			<x>x3</x>
			<y>y3</y>
			<z>z3</z>
		</row>
		<row attr='a4'>
			<x>x4</x>
			<y>y4</y>
			<z>z4</z>
		</row>
	</subroot>
	
</root>